test: harden remote fallback marker metadata

[hyeokjun32]

Summary

• Add the exact remote fallback Lab report row value to Runtime Intelligence expected_report_markers metadata.
• Validate EdgeEnv handoff lab_bundle_alignment.expected_report_markers against the Lab-owned marker contract.
• Update CI artifact gate expectations, fixture alignment artifacts, and docs for the row-value marker.

Validation

• poetry run python -m pytest -q tests/test_runtime_intelligence_bundle_manifest.py tests/test_runtime_intelligence_ci_template.py -p no:cacheprovider
• bash scripts/smoke_runtime_intelligence_chain.sh --output-dir /private/tmp/inferedgelab_runtime_intelligence_marker_metadata_20260529_rerun
• poetry run inferedgelab portfolio-demo-check
• poetry run python -m pytest -q -p no:cacheprovider
• Cross-repo: INFEREDGE_REPOS_DIR=/Users/GwonHyeokJun/Documents/GitHub INFEREDGE_RUNTIME_INTELLIGENCE_SMOKE_OUT=/private/tmp/inferedge_smoke_all_lab_marker_metadata_20260529 INFEREDGE_REMOTE_FALLBACK_REGISTRY_SMOKE_OUT=/private/tmp/inferedge_remote_fallback_registry_marker_metadata_20260529 bash scripts/smoke_all.sh